import axios from 'axios';
import { Notify } from 'vant';
import store from '@/store';

// create an axios instance
const service = axios.create({
  baseURL: process.env.NODE_ENV === 'production' // url = base url + request url
    ? process.env.VUE_APP_BASE_API
    : '/mock',
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 30 * 1000 // request timeout
});

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent
    const { needToken, tokenKey } = store.getters.settings;
    const { token } = store.getters;

    if (needToken && token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers[tokenKey] = token;
    }
    return config;
  },
  error => {
    // do something with request error
    console.log(error); // for debug
    return Promise.reject(error);
  }
);

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data;

    // if the custom code is not 0, it is judged as an error.
    if (typeof res !== 'string' && res.code !== 0) {
      Notify({
        type: 'danger',
        message: res.message || '数据获取异常 :)',
        duration: 1.5 * 1000
      });
      return Promise.reject(new Error(res.message || 'Error'));
    } else {
      return res;
    }
  },
  error => {
    console.log('err' + error); // for debug
    Notify({
      type: 'danger',
      message: error.response.data.message || '数据获取异常 :)',
      duration: 1.5 * 1000
    });
    const { status } = error.response;
    switch (status) {
      case 401:
        window.location = process.env.VUE_APP_INDEX_PATH;
        break;

      default:
        return Promise.reject(error);
    }
  }
);

export default service;
